German epidemiologist Andreas Roland Grüntzig dies in a plane crash. He invented angioplasty to widen blocked arteries and thus helped save 15 million lives (estimate updated at the beginning of the 21st century).
German epidemiologist Andreas Roland Grüntzig dies in a plane crash. He invented angioplasty to widen blocked arteries and thus helped save 15 million lives (estimate updated at the beginning of the 21st century).